91669105 has 8 divisors (see below), whose sum is σ = 120003264. Its totient is φ = 66668400.

The previous prime is 91669057. The next prime is 91669133. The reversal of 91669105 is 50196619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91669105 - 2¹³ = 91660913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833301 + ... + 833410.

It is an arithmetic number, because the mean of its divisors is an integer number (15000408).

Almost surely, 2^91669105 is an apocalyptic number.

It is an amenable number.

91669105 is a deficient number, since it is larger than the sum of its proper divisors (28334159).

91669105 is a wasteful number, since it uses less digits than its factorization.

91669105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666727.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 91669105 is about 9574.3984145219. The cubic root of 91669105 is about 450.8938693540.

The spelling of 91669105 in words is "ninety-one million, six hundred sixty-nine thousand, one hundred five".